11284855 has 8 divisors (see below), whose sum is σ = 14338512. Its totient is φ = 8496768.

The previous prime is 11284829. The next prime is 11284907. The reversal of 11284855 is 55848211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11284855 - 2¹⁷ = 11153783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11284855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66297 + ... + 66466.

It is an arithmetic number, because the mean of its divisors is an integer number (1792314).

Almost surely, 2^11284855 is an apocalyptic number.

11284855 is a deficient number, since it is larger than the sum of its proper divisors (3053657).

11284855 is a wasteful number, since it uses less digits than its factorization.

11284855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132785.

The product of its digits is 12800, while the sum is 34.

The square root of 11284855 is about 3359.2938246006. The cubic root of 11284855 is about 224.3014052184.

The spelling of 11284855 in words is "eleven million, two hundred eighty-four thousand, eight hundred fifty-five".